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tailrace structure

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  • Water wheel — This article is about the machine for converting energy of flowing or falling water. For paddle wheels used to propel watercraft, see paddle wheel ship. For wheels used solely to lift water, see Noria. For factories or industries driven by water… …   Wikipedia

  • tunnels and underground excavations — ▪ engineering Introduction        Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …   Universalium

  • Watermill — This article is about a type of structure. For other locational uses see Milldam . For details of the technologies, see Water wheel and Mill machinery . A watermill is a structure that uses a water wheel or turbine to drive a mechanical process… …   Wikipedia

  • Coleman National Fish Hatchery — (foreground), Mount Lassen (background). Before the construction of the Shasta and Keswick Dams, Chinook Salmon and Steelhead Trout were free to migrate to the upper reaches of the Sacramento, Pit and McCloud Rivers to spawn. In 1942, the Coleman …   Wikipedia

  • velocity barrier — a physical structure, such as a barrier dam or floating weir, built in the tailrace of a hydroelectric powerhouse, which blocks the tailrace from further fish migration to prevent physical injury or migration delay …   Dictionary of ichthyology

  • Micro hydro — in northwest Vietnam Micro hydro is a term used for hydroelectric power installations that typically produce up to 100 kW of electricity. These installations can provide power to an isolated home or small community, or are sometimes… …   Wikipedia

  • Lake Chelan Dam — officially known as the Lake Chelan Hydroelectric Project is located approximately 32 miles (51 km) north of the city of Wenatchee in Chelan County, near the geographic center of Washington state. The dam is located at the lower or southeasterly… …   Wikipedia

  • Bridge River Power Project — The Bridge River Power Project is a hydroelectric power development in the Canadian province of British Columbia, located in the Lillooet Country between Whistler and Lillooet. It harnesses the power of the Bridge River, a tributary of the Fraser …   Wikipedia

  • Contra Dam — Contra Dam …   Wikipedia

  • Mother Lode Country — Former gold rush belt, Sierra Nevada foothills, central California, U.S. It was about 150 mi (240 km) long but only a few miles wide. The gold rush was sparked by the 1848 discovery of placer gold on John Sutter s property. The term mother lode… …   Universalium

  • Columbus, Nebraska —   City   Bridge carrying U.S. Highway 30 and U.S. Highway 81 across the Loup River at Columbus …   Wikipedia

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